3 (h5@sdZddlmZmZmZmZddlmZddlm Z m Z ddl m Z ddl mZddlmZdd d Zdd d Zd dZddZddZddZddZdS)z This module collects helper functions and classes that "span" multiple levels of MVC. In other words, these functions/classes introduce controlled coupling for convenience's sake. )Http404 HttpResponseHttpResponsePermanentRedirectHttpResponseRedirect)loader)NoReverseMatchreverse)six) force_text)PromiseNcCstj|||d}t|||S)z Returns a HttpResponse whose content is filled with the result of calling django.template.loader.render_to_string() with the passed arguments. )using)rrender_to_stringr) template_namecontext content_typestatusr contentr4/tmp/pip-install-q3hcpn_q/Django/django/shortcuts.pyrender_to_responsesrcCstj||||d}t|||S)z Returns a HttpResponse whose content is filled with the result of calling django.template.loader.render_to_string() with the passed arguments. )r )rr r)requestrrrrr rrrrrendersrcOs*|jddrt}nt}|t|f||S)a Returns an HttpResponseRedirect to the appropriate URL for the arguments passed. The arguments could be: * A model: the model's `get_absolute_url()` function will be called. * A view name, possibly with arguments: `urls.reverse()` will be used to reverse-resolve the name. * A URL, which will be used as-is for the redirect location. By default issues a temporary redirect; pass permanent=True to issue a permanent redirect Z permanentF)poprr resolve_url)toargskwargsZredirect_classrrrredirect"s rcCst|dr|jjS|S)z Return a QuerySet or a Manager. Duck typing in action: any class with a `get()` method (for get_object_or_404) or a `filter()` method (for get_list_or_404) might do the job. _default_manager)hasattrrall)klassrrr _get_queryset;s  r"c Oszt|}y |j||Stk rLt|tr4|jn|jj}td|Yn*|jj k rtt d|jj j YnXdS)a_ Uses get() to return an object, or raises a Http404 exception if the object does not exist. klass may be a Model, Manager, or QuerySet object. All other passed arguments and keyword arguments are used in the get() query. Note: Like with get(), an MultipleObjectsReturned will be raised if more than one object is found. zVFirst argument to get_object_or_404() must be a Model, Manager, or QuerySet, not '%s'.zNo %s matches the given query.N) r"getAttributeError isinstancetype__name__ __class__ ValueErrormodelZ DoesNotExistr_meta object_name)r!rrqueryset klass__namerrrget_object_or_404Hs   r/c Ospt|}yt|j||}Wn8tk rTt|tr<|jn|jj}td|YnX|slt d|j j j |S)z Uses filter() to return a list of objects, or raise a Http404 exception if the list is empty. klass may be a Model, Manager, or QuerySet object. All other passed arguments and keyword arguments are used in the filter() query. zTFirst argument to get_list_or_404() must be a Model, Manager, or QuerySet, not '%s'.zNo %s matches the given query.) r"listfilterr$r%r&r'r(r)rr*r+r,)r!rrr-Zobj_listr.rrrget_list_or_404`sr2c Ost|dr|jSt|tr$t|}t|tjr>|jdr>|Syt|||dSt k r|t |rfd|krxd|krxYnX|S)aM Return a URL appropriate for the arguments passed. The arguments could be: * A model: the model's `get_absolute_url()` function will be called. * A view name, possibly with arguments: `urls.reverse()` will be used to reverse-resolve the name. * A URL, which will be returned as-is. get_absolute_url./../)rr/.)r4r5) rr3r%r r r string_types startswithrrcallable)rrrrrrrvs    r)NNNN)NNNN)__doc__Z django.httprrrrZdjango.templaterZ django.urlsrrZ django.utilsr Zdjango.utils.encodingr Zdjango.utils.functionalr rrrr"r/r2rrrrrs